Disclosed are devices and methods for treatment of eye disease such as glaucoma. Implants are described herein that create a flow field, such as between the anterior chamber and either the supraciliary space or suprachoroidal space. In addition, the implant can be treated with one or more treatments, including plasma treatments, for creating a variety of surface features and characteristics. Some of the surface features and characteristics can assist in controlling tissue responses to the implanted implant, including promoting or preventing tissue proliferation.